#F3F554#F3F554

#F3F554 is a very light, vivid yellow. Relative luminance 0.850; OKLCH L 94.1% C 0.176 H 110.1°. Best body text is #000000 at 18.00:1 contrast (WCAG AA passes).

Color values

HEX	#F3F554
RGB	rgb(243, 245, 84)
HSL	hsl(61, 89%, 65%)
HSV	hsv(61, 66%, 96%)
CMYK	cmyk(0.8%, 0%, 65.7%, 3.9%)
CIE-LAB	lab(93.88, -19.50, 73.83)
CIE-LCH	lch(93.88, 76.36, 104.80°)
OKLab	oklab(94.06% -0.0605 0.1657)
OKLCH	oklch(94.06% 0.176 110.1)
XYZ	xyz(71.2171, 85.0015, 21.0412)
Luminance	0.8500 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F554 #5654F5

analogous

#F5A654 #F3F554 #A3F554

triadic

#F3F554 #54F3F5 #F554F3

tetradic

#F3F554 #54F5A6 #5654F5 #F554A3

square

#F3F554 #54F5A6 #5654F5 #F554A3

split-complementary

#F3F554 #54A3F5 #A654F5

monochromatic

#C1C30B #EFF21A #F3F554 #F7F88E #FBFCC8

Accessibility & contrast

On white

1.17

#F3F554 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.00

#F3F554 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F554

18.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F554	#FFFFFF	#000000	##000000
##F3F554	1.00	1.17	18.00	18.00
#FFFFFF	1.17	1.00	21.00	21.00
#000000	18.00	21.00	1.00	1.00
##000000	18.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB3C

Deuteranopia (green-blind)

#FFF05F

Tritanopia (blue-blind)

#FFE6D5

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #f3f554;
/* rgb */ color: rgb(243, 245, 84);
/* oklch */ color: oklch(94.1% 0.176 110.1);

Tailwind

colors: {
  custom: {
    50: '#fbf88c',
    500: '#f3f554',
    950: '#000000',
  },
}

SCSS

$custom: #f3f554;
$custom-light: #fbf88c;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f554",
  "rgb": {
    "r": 243,
    "g": 245,
    "b": 84
  },
  "hsl": {
    "h": 60.745,
    "s": 88.95,
    "l": 64.51
  },
  "oklch": {
    "l": 0.94056,
    "c": 0.17637,
    "h": 110.1
  },
  "luminance": 0.85
}

Semantic roles & 50–950 ramp

primary

#F3F554

secondary

#2F2DC0

accent

#00E603

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F3F554

Body copy rendered with the generated semantic roles for this colour.

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